Chris Detrick | The Salt Lake Tribune
A pollution inversion over the Salt Lake Valley as seen from an airplane returning to Salt
Scott Sommerdorf | The Salt Lake Tribune
Elena Hall heads back home after a ride above the inversion that can be seen blanket
Al Hartmann | The Salt Lake Tribune
Salt Lake valley trapped by a temperature inversion as seen from the overlook on Desolation T
Al Hartmann | The Salt Lake Tribune
Hiker at right, in the rocks, looks at Salt Lake valley trapped by a temerature inversion fro
Chris Detrick | The Salt Lake Tribune
A pollution inversion over the Salt Lake Valley as seen from an airplane returning to Salt
Chris Detrick | The Salt Lake Tribune
A pollution inversion over the Salt Lake Valley as seen from an airplane returning to Salt
Chris Detrick | The Salt Lake Tribune
A pollution inversion over the Salt Lake Valley as seen from an airplane returning to Salt
Chris Detrick | The Salt Lake Tribune
A pollution inversion over the Salt Lake Valley as seen from an airplane returning to Salt
Chris Detrick | The Salt Lake Tribune
A pollution inversion over the Salt Lake Valley as seen from an airplane returning to Salt
Chris Detrick | The Salt Lake Tribune
A pollution inversion over the Salt Lake Valley as seen from an airplane returning to Salt
Chris Detrick | The Salt Lake Tribune
A pollution inversion over the Salt Lake Valley as seen from an airplane returning to Salt
Chris Detrick | The Salt Lake Tribune
A pollution inversion over the Salt Lake Valley as seen from an airplane returning to Salt
Scott Sommerdorf | The Salt Lake Tribune
Elena Hall heads back home after a ride above the inversion that can be seen blanket
Chris Detrick | The Salt Lake Tribune
A pollution inversion over the Salt Lake Valley as seen from an airplane returning to Salt Lake International Airport Friday December 30, 2016.
Scott Sommerdorf | The Salt Lake Tribune
Elena Hall heads back home after a ride above the inversion that can be seen blanketing the Salt lake Valley from Rose Canyon near Herriman, Saturday, December 31, 2016.
Al Hartmann | The Salt Lake Tribune
Salt Lake valley trapped by a temperature inversion as seen from the overlook on Desolation Trail in Millcreek Canyon Saturday Dec. 31. There's a big city under there, somewhere. You just can't see it. Those clouds trap in pollution and lower temperatures. Oquirrh Mountains miles to the West are high enough to poke through the cloud layer and bad air.
Al Hartmann | The Salt Lake Tribune
Hiker at right, in the rocks, looks at Salt Lake valley trapped by a temerature inversion from the overlook on Desolation Trail in Millcreek Canyon Saturday Dec. 31. Those clouds trap in pollution and lower temperatures. Oquirrh Mountains miles to the West are high enough to poke through the cloud layer.
Chris Detrick | The Salt Lake Tribune
A pollution inversion over the Salt Lake Valley as seen from an airplane returning to Salt Lake International Airport Friday December 30, 2016.
Chris Detrick | The Salt Lake Tribune
A pollution inversion over the Salt Lake Valley as seen from an airplane returning to Salt Lake International Airport Friday December 30, 2016.
Chris Detrick | The Salt Lake Tribune
A pollution inversion over the Salt Lake Valley as seen from an airplane returning to Salt Lake International Airport Friday December 30, 2016.
Chris Detrick | The Salt Lake Tribune
A pollution inversion over the Salt Lake Valley as seen from an airplane returning to Salt Lake International Airport Friday December 30, 2016.
Chris Detrick | The Salt Lake Tribune
A pollution inversion over the Salt Lake Valley as seen from an airplane returning to Salt Lake International Airport Friday December 30, 2016.
Chris Detrick | The Salt Lake Tribune
A pollution inversion over the Salt Lake Valley as seen from an airplane returning to Salt Lake International Airport Friday December 30, 2016.
Chris Detrick | The Salt Lake Tribune
A pollution inversion over the Salt Lake Valley as seen from an airplane returning to Salt Lake International Airport Friday December 30, 2016.
Chris Detrick | The Salt Lake Tribune
A pollution inversion over the Salt Lake Valley as seen from an airplane returning to Salt Lake International Airport Friday December 30, 2016.
Scott Sommerdorf | The Salt Lake Tribune
Elena Hall heads back home after a ride above the inversion that can be seen blanketing the Salt lake Valley from Rose Canyon near Herriman, Saturday, December 31, 2016.
